Have the --xfeatures option accept "sse", "avx" and "avx512" in
addition to a plain numerical value, purely for users' convenience.
Don't fail silently when an incorrect value is specified, to avoid
confusion.
Suggested-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Jan Bobek <jan.bo...@gmail.com>
---
risu_reginfo_i386.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/risu_reginfo_i386.c b/risu_reginfo_i386.c
index 01ea179..194e0ad 100644
--- a/risu_reginfo_i386.c
+++ b/risu_reginfo_i386.c
@@ -53,8 +53,25 @@ const char * const arch_extra_help
void process_arch_opt(int opt, const char *arg)
{
+ char *endptr;
+
assert(opt == FIRST_ARCH_OPT);
- xfeatures = strtoull(arg, 0, 0);
+
+ if (!strcmp(arg, "sse")) {
+ xfeatures = XFEAT_X87 | XFEAT_SSE;
+ } else if (!strcmp(arg, "avx")) {
+ xfeatures = XFEAT_X87 | XFEAT_SSE | XFEAT_AVX;
+ } else if (!strcmp(arg, "avx512")) {
+ xfeatures = XFEAT_X87 | XFEAT_SSE | XFEAT_AVX | XFEAT_AVX512;
+ } else {
+ xfeatures = strtoull(arg, &endptr, 0);
+ if (*endptr) {
+ fprintf(stderr,
+ "Unable to parse '%s' in '%s' into an xfeatures integer
mask\n",
+ endptr, arg);
+ exit(1);
+ }
+ }
}
const int reginfo_size(void)
--
2.20.1
